Finding the Third Proportional to 560,222 and 847,003

Step by Step Solution

1. Step 1: Write the proportion equation
   560,222 : 847,003 = 847,003 : x
2. Step 2: Convert to fraction form
   560,222/847,003 = 847,003/x
3. Step 3: Cross multiply
   560,222x = 847,003 × 847,003
4. Step 4: Simplify right side
   560,222x = 717,414,082,009
5. Step 5: Solve for x
   x = 717,414,082,009/560,222
6. Step 6: Final answer
   x = 1,280,588.91